Event: Division Two

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Opponent Rating Result
Ege Erkol 165 1 - 0
Chris S Rogal 153 0 - 1
John F Kitchen 138 0 - 1
Amar Virk 109 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

141 = (565 + 400 * (2 - 2)) / 4)

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Opponent Rating Result
John F Kitchen 138 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

138 = (138 + 400 * (0 - 0)) / 1)